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Definition of decimal
: numbered or proceeding by tens:a : based on the number 10; especially : expressed in or utilizing a decimal system especially with a decimal pointb : subdivided into 10th or 100th units decimal coinage
Examples of decimal in a Sentence
In the number 8.901, the 9 is in the first decimal place.
Recent Examples of decimal from the Web

Think of it like the infinity of decimal numbers that exist between zero and one.

The graphic only displays the first decimal place, but on my computer, Groundhog Day’s Andy Karl has a 34.220% chance, while Dear Evan Hansen’s Ben Platt has a 34.214% chance.

Northwest Catholic High School President and Chief Administrator David C. Eustis said their gradepoint averages were identical to the fifth decimal place, and that both will attend Northeastern University this fall.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decimal.' Views expressed in the examples do not represent the opinion of MerriamWebster or its editors. Send us feedback.
Origin and Etymology of decimal
French décimal, from Medieval Latin decimalis of a tithe, from Latin decima tithe — more at dime
Other Mathematics and Statistics Terms
decimal
Definition of decimal
: any real number expressed in base 10; especially : decimal fraction
Examples of decimal in a Sentence
The number 67.398 is a decimal. It is equal to the whole number 67 plus the decimal.398.
Seventenths written as a decimal is.7. Seventenths written as a fraction is {frac7.
The decimal.2 is equal to the fraction {frac2.
Recent Examples of decimal from the Web

The human brain is especially good at making either/or comparisons, and especially bad at decimals.

Even more radically, the 10 could be intended as binary, making this the Xbox 2 in decimal.

But all that money  guaranteed to the decimal  isn’t putting a smile on his face.

Pitchfork’s distinctive review system down to the decimal let writers elevate or disembowel records with surgical precision.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'decimal.' Views expressed in the examples do not represent the opinion of MerriamWebster or its editors. Send us feedback.
First Known Use of decimal
1651
Other NumberRelated Terms
DECIMAL Defined for English Language Learners
decimal
playDefinition of decimal for English Language Learners

mathematics : based on the number 10
decimal
Definition of decimal for English Language Learners

mathematics : a number that is written with a dot between the part of the number that is equal to 1 or more and the part of the number that is less than 1
DECIMAL Defined for Kids
Definition of decimal for Students
1 : based on the number 10 : numbered or counting by tens We use a decimal system of writing numbers.
2 : expressed in or including a decimal The decimal form of 1⁄4 is .25.
Definition of decimal for Students
: a proper fraction in which the denominator is 10 or 10 multiplied one or more times by itself and is indicated by a point placed at the left of the numerator the decimal .2=2⁄10, the decimal .25=25⁄100, the decimal .025=25⁄1000
Learn More about decimal

Spanish Central: Translation of decimal Nglish: Translation of decimal for Spanish speakers Britannica English: Translation of decimal for Arabic speakers
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